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Iimveliso

Imodyuli yokuFunda yeemitha ye-LoRaWAN yeemodyuli ezimbini

Inkcazelo emfutshane:

IHAC-MLLWImodyuli yokufunda yemitha engenazingcingo ye-LoRaWAN iphuhliswe ngokusekwe kwiprotocol yomgangatho weLoRaWAN Alliance, kunye netopology yenethiwekhi yenkwenkwezi.Isango lixhunywe kwiqonga lolawulo lwedatha ngokusebenzisa ikhonkco eliqhelekileyo le-IP, kwaye isixhobo se-terminal sinxibelelana nesango elinye okanye ezininzi ezisisigxina ngeLoRaWAN Class A standard protocol.

Inkqubo idibanisa i-LoRaWAN esisigxina yokufundwa kwemitha yemitha ye-wireless ebanzi kunye ne-LoRa Walk-ngokufunda okongezelelweyo okungenazingcingo.Ukubanjwa ngesandlasinokusetyenziswangenxaufundo olongezelelweyo olungenazingcingo, ukusetwa kweparamitha, ulawulo lwevalvu yexesha langempela,mnye-ukufundwa kweengongoma kunye nokufundwa kwemitha yosasazo kwiimitha kwindawo yokungaboni ngasonye.Inkqubo yenzelwe ukusetyenziswa kwamandla aphantsi kunye nomgama omde wokongezaukufunda.Itheminali yemitha ixhasa iindlela ezahlukeneyo zokulinganisa ezifana ne-non-magnetic inductance, coil non-magnetic, umlinganiselo we-ultrasonic, iHolo.isivamvo, imagnetoresistance kunye nokutshintsha kweengcongolo.


Iinkcukacha zeMveliso

Iithegi zeMveliso

Amacandelo eNkqubo

I-HAC-MLLW (i-LoRaWAN imodyuli yokufunda yeemitha ezimbini zemodyuli), i-HAC-GW-LW (isango le-LoRaWAN), i-HAC-RHU-LW (i-LoRaWAN handhels) kunye neqonga lolawulo lwedatha.

Iimpawu zeNkqubo

1. Unxibelelwano lomgama omde kakhulu

  • Imowudi yokumodareyitha ye-LoRa, umgama omde wonxibelelwano.
  • Umgama wonxibelelwano olubonakalayo phakathi kweSango neMeta: 1km-5km kubume bendawo yasezidolophini, 5-15km kwindawo esemaphandleni.
  •  Ireyithi yonxibelelwano phakathi kwesango kunye nemitha iyaguquguquka, iqonda owona mgama omde wonxibelelwano kwizinga eliphantsi.
  • Izinto eziphathwayo zinomgama omde wokufunda owongezelelweyo, kwaye ukufundwa kweemitha zebhetshi kunokuqhutywa ngosasazo phakathi koluhlu lwe-4km.

2. Ukusetyenziswa kwamandla aphantsi kakhulu, ubomi benkonzo ende

  • Umndilili wokusetyenziswa kwamandla kwimodyuli yokuphela kwemitha yemodyuli ingaphantsi okanye ilingana ne-20µA, ngaphandle kokongeza iisekethe ezongezelelweyo zehardware kunye neendleko.
  • Imodyuli yemitha ibika idatha rhoqo kwiiyure ezingama-24, inikwe amandla ngebhetri ye-ER18505 okanye umthamo olinganayo ungasetyenziselwa iminyaka eyi-10.

3. Ukuchasana nokuphazamiseka, ukuthembeka okuphezulu

  •  I-Multi-frequency kunye ne-multi-rate yokutshintsha ngokuzenzekelayo ukuphepha ukuphazamiseka kwe-co-channel kunye nokuphucula ukuthembeka kokuhanjiswa.
  • Yamkela itekhnoloji enelungelo elilodwa lomenzi wonxibelelwano lwe-TDMA ukulungelelanisa ngokuzenzekelayo iyunithi yexesha lonxibelelwano ukunqanda ukungqubana kwedatha.
  • Ukusebenza komoya kwe-OTAA kwamkelwe, kwaye iqhosha lokufihla lenziwa ngokuzenzekelayo xa kungena inethiwekhi.
  •  Idatha iguqulelwe ngokuntsonkothileyo ngezitshixo ezininzi zokhuseleko oluphezulu.

4. Amandla amakhulu olawulo

  • Isango elinye leLoRaWAN linokuxhasa ukuya kuthi ga kwi-10,000 yeemitha.
  •  Ingagcina idatha yeminyaka eli-10 yomkhenkce kunye nenyanga engumkhenkce kwiinyanga ezili-128 ezidlulileyo.Iqonga lelifu lingabuza idatha yembali.
  • Yamkela i-algorithm yokuguquguquka yesantya sothumelo kunye nomgama wothumelo ukuze uphucule ngokufanelekileyo umthamo wenkqubo.
  •  Ukwandiswa kwenkqubo elula: iyahambelana nemitha yamanzi, iimitha zegesi kunye nemitha yokushisa, kulula ukwandisa okanye ukunciphisa, izibonelelo zesango zingabelana.
  • Ukuhambelana neprotocol ye-LORAWAN1.0.2, ukwandiswa kulula, kwaye umthamo unokunyuswa ngokongeza isango.

5. Kulula ukuyifaka kunye nokusetyenziswa, izinga eliphezulu lempumelelo yokufunda imitha

  • Imodyuli ithatha indlela yokufikelela kwinethiwekhi ye-OTAA, ekulula ukuyisebenzisa kwaye kulula ukuyigcina.
  •  Isango elinoyilo lweetshaneli ezininzi ngaxeshanye linokufumana idatha ye-multi-frequency kunye ne-multi-rate.
  • Imodyuli yokuphela kweemitha kunye nesango lixhunyiwe kwinethiwekhi yeenkwenkwezi, isakhiwo esilula, uxhulumaniso olufanelekileyo kunye nolawulo olulula kunye nokugcinwa.

  • Ngaphambili:
  • Okulandelayo:

  • Bhala umyalezo wakho apha kwaye uwuthumele kuthi